After 2 hours gets black screen. Unplug for hour-works. 10pin connector pins1-4 GND, pins5-8 23.8v to BL drops to .6, pin9 Dimmimg stays 2.3v, pin10 BL_ON stays at 4.8v. 12pin connector pins1-2 12v drops to 2.47v, pins 3-6 GND, pins 7-9 stays 5.07v, pin10 stays 3.46v, pin11 Dimming stays 2.3v, pin12 BL_ON stays 4.8v. Mr.Martin or anyone, any suggestions? Schematic for Darfon psb? Found service manuel online but not for my psb. ShopJimmy has 6 psb for that model, are they interchangeable? any help, thanks, frank
If you wish to get some details; check the site linked here. Pull up older posts.
http://electronicshelponline.blogspot.com/
Search the site by type in the "brand name" of your device, in the "Search box at the top right of the Homepage" to get gathered related posts.
SOURCE: No power to viewsonic N3252W lcd
TRY THIS SITE OR GOOGLE YOUR MODEL #
http://www.free-service-manuals.com/
SOURCE: viewsonic n3252w psu change,pwr on screen go blue 1sec.to black
The main board will have faulty component/s. Seek tech support.
If you wish to get some details; check the site linked here. Pull up older posts. Surf the site with patience. http://electronicshelponline.blogspot.com/
Faults & possible causes to LCD screen are given with illustrations. You can get an idea about the fault to an extent.
Basic LCD monitor and TV troubleshooting guide:
http://www.fixya.com/support/r6150077-basic_lcd_monitors_troubleshooting
http://www.fixya.com/support/r5093881-lcd_flat_panel_tv_troubleshooting_guide
http://www.fixya.com/support/r7406380-tv_training_manuals
Failed TV and Monitors: http://s807.photobucket.com/albums/yy352/budm/
Learn about bad caps: http://en.wikipedia.org/wiki/Capacitor_plague
Capacitors kit: http://lcdalternatives.auctivacommerce.com/ he can make you a set of caps for you.
Or www.digikey.com just make sure to use caps with low ESR, 105c, high ripple current, long life rating such as PANASONIC FM or FC series.
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